This method is called Pseudo Saturn and what it is, is basically a modded Action Replay/GameShark/Memcard cartridge that will boot back-ups and imports without using the swap trick and damaging discs.

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Things you will need:Action Replay or Gameshark 3in1/4in1 or memcard

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(Cheap on Amazon $29.99 http://amzn.to/2icTSGk)Atlus installer disc burned to CD-RSega Saturn Console (Any region)A real Saturn game of your country code (Jap/US/UK)Backup game burnt to a CD-R to test (Make your own or find on google)

Disclaimer:You will lose the save backup and cheat codes function of your Action Replay, Memcard or Gameshark.This basically turns those carts into a portable modchip.

You will need to perform the swap trick once to boot the installer disc.

Unscrew the Sega Saturn consoleTake lid offTape the lid switch located at the back left together so the Saturn thinks it's closed whilst the lid is off.

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Swap trick to boot Atlus install disc (Details below on how to do the swap trick)

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Pop the Action Replay/Cart into the Saturn and press StartPress Start againScroll all the way down to FIRMWARE and press AScroll all the way down to another screen to PS031.bin and press StartScroll down to Flash Action Replay and press APress A againWhen screen changes to Action Replay Flasher screen, press and hold A+B+C and then press StartWait until it clearly says DONE (Takes about a minute or two)Turn off Saturn, remove tape on lid switch and screw Saturn back togetherBoot Saturn with Backup in the drive and the Cart in the slotChoose Start Game and you are done.

How to swap trickStart Saturn with Atlus installer in the drive (No Carts in Saturn)When you hear the first sound of the drive laser moving "bzzzt" swap for a real gameWhen you hear that sound again "bzzt" swap for the Atlus installer againIt should now load the Altlus installer.